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100345211 is a prime number
BaseRepresentation
bin1011111101100…
…10010101111011
320222211001202022
411332302111323
5201142021321
613542425055
72325630431
oct576622573
9228731668
10100345211
115170792a
122973218b
1317a34985
14d480d51
158c21dab
hex5fb257b

100345211 has 2 divisors, whose sum is σ = 100345212. Its totient is φ = 100345210.

The previous prime is 100345207. The next prime is 100345229. The reversal of 100345211 is 112543001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100345211 - 22 = 100345207 is a prime.

It is a super-2 number, since 2×1003452112 = 20138322741269042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100345211.

It is not a weakly prime, because it can be changed into another prime (100345241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50172605 + 50172606.

It is an arithmetic number, because the mean of its divisors is an integer number (50172606).

Almost surely, 2100345211 is an apocalyptic number.

100345211 is a deficient number, since it is larger than the sum of its proper divisors (1).

100345211 is an equidigital number, since it uses as much as digits as its factorization.

100345211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 100345211 is about 10017.2456793272. The cubic root of 100345211 is about 464.6923791104.

Adding to 100345211 its reverse (112543001), we get a palindrome (212888212).

The spelling of 100345211 in words is "one hundred million, three hundred forty-five thousand, two hundred eleven".